temp

internal/build/util.go

@@ -143,7 +143,7 @@ func CopyFile(dst, src string, mode os.FileMode) {
 // so that go commands executed by build use the same version of Go as the 'host' that runs
 // build code. e.g.
 //
-//     /usr/lib/go-1.8/bin/go run build/ci.go ...
+//	/usr/lib/go-1.8/bin/go run build/ci.go ...
 //
 // runs using go 1.8 and invokes go 1.8 tools from the same GOROOT. This is also important
 // because runtime.Version checks on the host should match the tools that are run.
@@ -163,12 +163,22 @@ func ExpandPackagesNoVendor(patterns []string) []string {
 	}
 	if expand {
 		cmd := GoTool("list", patterns...)
-		out, err := cmd.CombinedOutput()
+		var (
+			stdout bytes.Buffer
+			stderr bytes.Buffer
+		)
+		cmd.Stdout = &stdout
+		cmd.Stderr = &stderr
+		err := cmd.Run()
 		if err != nil {
-			log.Fatalf("package listing failed: %v\n%s", err, string(out))
+			log.Fatalf("package listing failed: %v\n", err)
 		}
+
+		fmt.Println(">>> go list STDOUT", string(stdout.Bytes()))
+		fmt.Println(">>> go list STDERR", string(stderr.Bytes()))
+
 		var packages []string
-		for _, line := range strings.Split(string(out), "\n") {
+		for _, line := range strings.Split(string(stdout.Bytes())+string(stderr.Bytes()), "\n") {
 			if !strings.Contains(line, "/vendor/") {
 				packages = append(packages, strings.TrimSpace(line))
 			}